21221040

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{3049}}^1$

素因数の和:3094

約数の個数: 80

約数和(自身を含む): 68076000

約数和(自身を除く): 46854960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 29, 30, 40, 48, 58, 60, 80, 87, 116, 120, 145, 174, 232, 240, 290, 348, 435, 464, 580, 696, 870, 1160, 1392, 1740, 2320, 3049, 3480, 6098, 6960, 9147, 12196, 15245, 18294, 24392, 30490, 36588, 45735, 48784, 60980, 73176, 88421, 91470, 121960, 146352, 176842, 182940, 243920, 265263, 353684, 365880, 442105, 530526, 707368, 731760, 884210, 1061052, 1326315, 1414736, 1768420, 2122104, 2652630, 3536840, 4244208, 5305260, 7073680, 10610520, 21221040]

約数ペア:

[(1, 21221040), (2, 10610520), (3, 7073680), (4, 5305260), (5, 4244208), (6, 3536840), (8, 2652630), (10, 2122104), (12, 1768420), (15, 1414736), (16, 1326315), (20, 1061052), (24, 884210), (29, 731760), (30, 707368), (40, 530526), (48, 442105), (58, 365880), (60, 353684), (80, 265263), (87, 243920), (116, 182940), (120, 176842), (145, 146352), (174, 121960), (232, 91470), (240, 88421), (290, 73176), (348, 60980), (435, 48784), (464, 45735), (580, 36588), (696, 30490), (870, 24392), (1160, 18294), (1392, 15245), (1740, 12196), (2320, 9147), (3049, 6960), (3480, 6098)]